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JavaScript vs TypeScript: Which Language Should You Learn?

M

Mershal Editorial Team

Staff Writer

3 min read
JavaScript vs TypeScript: Which Language Should You Learn?

Discover the strengths of JavaScript vs TypeScript and decide which language fits your journey as a developer.

So you've been dabbling in the programming world and heard all the chatter about JavaScript vs TypeScript. It's something I've been wanting to write about for ages, mainly because I struggled (like really struggled) with this decision earlier in my career. I remember the countless hours wondering, 'Should I stick with JavaScript or dive into TypeScript?'

Honestly, when I first started with JavaScript, I made this silly mistake of underestimating its quirks. Spoiler: it took me 3 hours to debug what was a typo 😅. Fast forward a bit, I stumbled upon TypeScript, and it was like a light bulb went off. But navigating it wasn’t a walk in the park either.

Why JavaScript?

Let’s start with JavaScript. If you're like me, you've probably used JavaScript to create some quick and dirty web apps. It's ubiquitous and essential for web development. And, bro, it's everywhere - front-end, back-end (thanks, Node.js), you name it. I still remember the frustration of JavaScript's 'undefined is not a function' error. But with trial and error, it just clicked.

The Case for TypeScript

Now, TypeScript. Think of it as JavaScript with a sprinkle of magic (ok, static typing). When I was working on my project CodeWizard, TypeScript saved my life. Type safety and autocompletion were game changers. Here's the code that finally worked for me:

function add(a: number, b: number): number {
  return a + b;
}

Copy-paste this, trust me, it makes things so much cleaner.

Real World Examples and Edge Cases

In one of my recent projects, TypeScript helped me catch errors at compile time - a lifesaver! Btw, I wrote about using TypeScript in my TypeScript journey. However, it's not all sunshine and rainbows. Setting up TypeScript can be a pain, and without a solid grasp, you might feel overwhelmed. Here's a pro tip from someone who's been there: start small with TypeScript.

Gotchas and Troubleshooting

When you’re switching from JavaScript, one thing to watch out for is the learning curve. It's steeper with TypeScript. I lost a week trying to figure out the quirks of decorators. But once you get past the initial hurdles, it’s so rewarding.

The Final Verdict

So, JavaScript or TypeScript? If you're just starting, stick with JavaScript to get the basics down. But if you're ready for more, TypeScript is worth the effort. It makes your codebase robust, and you’ll thank yourself later.

Try it out and let me know how it goes! Drop a comment if you get stuck anywhere or if there's a better approach. And if you're curious, I have a guide on setting up TypeScript that might help!

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